Spread spectrum (SS) and multicarrier modulation (MCM) techniques are recognized as
potential candidates for the design of underlay and interweave cognitive radio (CR) systems …

Cognitive radio is considered as a new paradigm of designing wireless communication
systems that aims at improving the spectrum utilization. Spectrum sensing is one of the most …

Importance of achieving high performance Fourier transforms for Cognitive Radio
applications can not be over-emphasized. This includes signal detection in the presence of …

An enormous influx of wireless services and devices coupled with inefficient usage of
electromagnetic spectrum has led to an apparent scarcity of usable radio bandwidth …

The paper presents a review of the measurement methods and the technologies for
wideband spectrum sensing. Wideband spectrum sensing is a relevant task in RF …

In this paper, we propose a multi-resolution filter bank (MRFB)-based on the fast filter bank
design for multiple resolution spectrum sensing in military radio receivers. The proposed …

The demand for wireless communication has grown remarkably in the last year,
consequently raising the problem of spectrum scarcity. In this context, cognitive radio is an …

Spectrum sensing is one of the most important features of Cognitive Radio (CR) systems.
Matched-filter based spectrum sensing techniques provide optimum sensing performance …

Two-layer smart spectrum access (SSA) consists of spectrum sharing based on dynamic
spectrum access (DSA: first layer) and spectrum awareness system (SAS: second layer). A …

In the recent years, the subject of spectrum sensing techniques has been well studied in
research community, highly motivated by the emergence of cognitive radio architectures. But …